US Steel Plant Hit by Deadly Blast Has History of Accidents

Ambulances outside the US Steel Clairton Coke Works facility in Clairton, Pennsylvania, on Aug. 11.Photographer: Rebecca Droke/AFP/Getty Images

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By Josh Saul, Nacha Cattan, and Joe Deaux

August 11, 2025 at 5:24 PM EDT

Updated on

August 11, 2025 at 11:50 PM EDT

A United States Steel Corp. plant in Pennsylvania that experienced an explosion that killed at least two people has a history of accidents and violations over the past 15 years.

The Clairton Coke Works plant near Pittsburgh, the biggest facility of its kind in the US, has been the site of multiple fires, accidents and violations in recent years that resulted in worker injuries, lawsuits and fines.